1 /* $NetBSD: hpqlb_acpi.c,v 1.10 2015/04/23 23:23:00 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2008 Christoph Egger <cegger@netbsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: hpqlb_acpi.c,v 1.10 2015/04/23 23:23:00 pgoyette Exp $");
31
32 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/module.h>
35 #include <sys/systm.h>
36
37 #include <machine/pio.h>
38
39 #include <dev/acpi/acpireg.h>
40 #include <dev/acpi/acpivar.h>
41
42 #include <dev/isa/isareg.h>
43
44 #include <dev/wscons/wsconsio.h>
45 #include <dev/wscons/wskbdvar.h>
46
47 #define _COMPONENT ACPI_RESOURCE_COMPONENT
48 ACPI_MODULE_NAME ("hpqlb_acpi")
49
50 struct hpqlb_softc {
51 device_t sc_dev;
52 struct acpi_devnode *sc_node;
53
54 device_t sc_wskbddev;
55
56 #define HP_PSW_DISPLAY_CYCLE 0
57 #define HP_PSW_BRIGHTNESS_UP 1
58 #define HP_PSW_BRIGHTNESS_DOWN 2
59 #define HP_PSW_SLEEP 3
60 #define HP_PSW_LAST 4
61 struct sysmon_pswitch sc_smpsw[HP_PSW_LAST];
62 bool sc_smpsw_displaycycle_valid;
63 bool sc_smpsw_sleep_valid;
64 };
65
66 #define HP_QLB_Quick 0x88
67 #define HP_QLB_DVD 0x8e
68 #define HP_QLB_FullBackward 0x90
69 #define HP_QLB_Play 0xa2
70 #define HP_QLB_FullForward 0x99
71 #define HP_QLB_Stop 0xa4
72 #define HP_QLB_VolumeMute 0xa0
73 #define HP_QLB_VolumeDown 0xae
74 #define HP_QLB_VolumeUp 0xb0
75
76 #define HP_QLB_Help 0xb1
77 #define HP_QLB_WWW 0xb2
78 #define HP_QLB_DisplayCycle /* ??? */
79 #define HP_QLB_Sleep 0xdf
80 #define HP_QLB_Lock 0x8a
81 #define HP_QLB_BrightnessDown /* ??? */
82 #define HP_QLB_BrightnessUp /* ??? */
83 #define HP_QLB_ChasisOpen 0xe3
84
85 static int hpqlb_match(device_t, cfdata_t, void *);
86 static void hpqlb_attach(device_t, device_t, void *);
87 static int hpqlb_detach(device_t, int);
88
89 static int hpqlb_finalize(device_t);
90 static int hpqlb_hotkey_handler(struct wskbd_softc *, void *, u_int, int);
91
92 static void hpqlb_init(device_t);
93 static bool hpqlb_resume(device_t, const pmf_qual_t *);
94
95 CFATTACH_DECL_NEW(hpqlb, sizeof(struct hpqlb_softc),
96 hpqlb_match, hpqlb_attach, hpqlb_detach, NULL);
97
98 static const char * const hpqlb_ids[] = {
99 "HPQ0006",
100 "HPQ0007",
101 NULL
102 };
103
104 static int
hpqlb_match(device_t parent,cfdata_t match,void * opaque)105 hpqlb_match(device_t parent, cfdata_t match, void *opaque)
106 {
107 struct acpi_attach_args *aa = opaque;
108
109 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
110 return 0;
111
112 return acpi_match_hid(aa->aa_node->ad_devinfo, hpqlb_ids);
113 }
114
115 static void
hpqlb_attach(device_t parent,device_t self,void * opaque)116 hpqlb_attach(device_t parent, device_t self, void *opaque)
117 {
118 struct hpqlb_softc *sc = device_private(self);
119 struct acpi_attach_args *aa = opaque;
120
121 sc->sc_node = aa->aa_node;
122 sc->sc_dev = self;
123
124 aprint_naive("\n");
125 aprint_normal(": HP Quick Launch Buttons\n");
126
127 hpqlb_init(self);
128
129 if (config_finalize_register(self, hpqlb_finalize) != 0)
130 aprint_error_dev(self, "unable to register hpqlb finalizer\n");
131
132 sc->sc_smpsw_displaycycle_valid = true;
133
134 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_name =
135 PSWITCH_HK_DISPLAY_CYCLE;
136
137 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_type =
138 PSWITCH_TYPE_HOTKEY;
139
140 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE]) != 0)
141 sc->sc_smpsw_displaycycle_valid = false;
142
143 sc->sc_smpsw_sleep_valid = true;
144 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_name = device_xname(self);
145 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP;
146
147 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_SLEEP]) != 0)
148 sc->sc_smpsw_sleep_valid = false;
149
150 (void)pmf_device_register(self, NULL, hpqlb_resume);
151 }
152
153 static int
hpqlb_detach(device_t self,int flags)154 hpqlb_detach(device_t self, int flags)
155 {
156 struct hpqlb_softc *sc = device_private(self);
157
158 pmf_device_deregister(self);
159 wskbd_hotkey_deregister(sc->sc_wskbddev);
160
161 if (sc->sc_smpsw_sleep_valid != false)
162 sysmon_pswitch_unregister(&sc->sc_smpsw[HP_PSW_SLEEP]);
163
164 if (sc->sc_smpsw_displaycycle_valid != false)
165 sysmon_pswitch_unregister(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE]);
166
167 return 0;
168 }
169
170 static int
hpqlb_hotkey_handler(struct wskbd_softc * wskbd_sc,void * cookie,u_int type,int value)171 hpqlb_hotkey_handler(struct wskbd_softc *wskbd_sc, void *cookie,
172 u_int type, int value)
173 {
174 struct hpqlb_softc *sc = cookie;
175 int ret = 1;
176
177 switch (value) {
178 case HP_QLB_VolumeMute:
179 if (type != WSCONS_EVENT_KEY_DOWN)
180 break;
181 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
182 break;
183 case HP_QLB_VolumeDown:
184 if (type != WSCONS_EVENT_KEY_DOWN)
185 break;
186 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
187 break;
188 case HP_QLB_VolumeUp:
189 if (type != WSCONS_EVENT_KEY_DOWN)
190 break;
191 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
192 break;
193
194 #if 0
195 case HP_QLB_DisplayCycle: /* ??? */
196 if (type != WSCONS_EVENT_KEY_DOWN)
197 break;
198 if (sc->sc_smpsw_displaycycle_valid == false)
199 break;
200 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE],
201 PSWITCH_EVENT_PRESSED);
202 break;
203 #endif
204 case HP_QLB_Sleep:
205 if (type != WSCONS_EVENT_KEY_DOWN)
206 break;
207 if (sc->sc_smpsw_sleep_valid == false)
208 break;
209 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_SLEEP],
210 PSWITCH_EVENT_PRESSED);
211 break;
212 #if 0
213 case HP_QLB_BrightnessDown: /* ??? */
214 if (type != WSCONS_EVENT_KEY_DOWN)
215 break;
216 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN);
217 break;
218 case HP_QLB_BrightnessUp: /* ??? */
219 if (type != WSCONS_EVENT_KEY_DOWN)
220 break;
221 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP);
222 break;
223 #endif
224 case HP_QLB_ChasisOpen:
225 if (type != WSCONS_EVENT_KEY_DOWN)
226 break;
227 pmf_event_inject(NULL, PMFE_CHASSIS_LID_OPEN);
228 break;
229 default:
230
231 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "unknown hotkey "
232 "0x%02x\n", value));
233 ret = 0; /* Assume, this is no hotkey */
234 break;
235 }
236
237 return ret;
238 }
239
240 static void
hpqlb_init(device_t self)241 hpqlb_init(device_t self)
242 {
243
244 /* HPQ0006: HP Quick Launch Buttons */
245 /* HPQ0007: HP Remote Device */
246 /* val 0, 1 or 7 == HPQ0006 */
247 /* val not 0, 1 or 7 == HPQ0007 */
248
249 /* Turn on Quick Launch Buttons */
250 outb(IO_RTC+2, 0xaf);
251 outb(IO_RTC+3, 7 /* val */);
252 }
253
254 static int
hpqlb_finalize(device_t self)255 hpqlb_finalize(device_t self)
256 {
257 device_t dv;
258 deviter_t di;
259 struct hpqlb_softc *sc = device_private(self);
260 static int done_once = 0;
261
262 /* Since we only handle real hardware, we only need to be
263 * called once.
264 */
265 if (done_once)
266 return 0;
267 done_once = 1;
268
269 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
270 dv = deviter_next(&di)) {
271 if (!device_is_a(dv, "wskbd"))
272 continue;
273
274 /* Make sure, we don't get a wskbd from a USB keyboard.
275 * QLB only works on the wskbd attached on pckbd. */
276 if (!device_is_a(device_parent(dv), "pckbd"))
277 continue;
278
279 aprint_normal_dev(self, "registering on %s\n",
280 device_xname(dv));
281 break;
282 }
283 deviter_release(&di);
284
285 if (dv == NULL) {
286 aprint_error_dev(self, "WARNING: no matching wskbd found\n");
287 return 1;
288 }
289
290 sc->sc_wskbddev = dv;
291
292 wskbd_hotkey_register(sc->sc_wskbddev, sc, hpqlb_hotkey_handler);
293
294 return 0;
295 }
296
297 static bool
hpqlb_resume(device_t self,const pmf_qual_t * qual)298 hpqlb_resume(device_t self, const pmf_qual_t *qual)
299 {
300
301 hpqlb_init(self);
302
303 return true;
304 }
305
306 MODULE(MODULE_CLASS_DRIVER, hpqlb, "sysmon_power");
307
308 #ifdef _MODULE
309 #include "ioconf.c"
310 #endif
311
312 static int
hpqlb_modcmd(modcmd_t cmd,void * aux)313 hpqlb_modcmd(modcmd_t cmd, void *aux)
314 {
315 int rv = 0;
316
317 switch (cmd) {
318
319 case MODULE_CMD_INIT:
320
321 #ifdef _MODULE
322 rv = config_init_component(cfdriver_ioconf_hpqlb,
323 cfattach_ioconf_hpqlb, cfdata_ioconf_hpqlb);
324 #endif
325 break;
326
327 case MODULE_CMD_FINI:
328
329 #ifdef _MODULE
330 rv = config_fini_component(cfdriver_ioconf_hpqlb,
331 cfattach_ioconf_hpqlb, cfdata_ioconf_hpqlb);
332 #endif
333 break;
334
335 default:
336 rv = ENOTTY;
337 }
338
339 return rv;
340 }
341